Regionalization of medical care in obstetrics and gynecology by the Medical Department of the United States Navy.
D005260:Female; D006748:Hospital Departments / Q000458:organization & administration*; D006801:Humans; D009326:Naval Medicine; D009775:Obstetrics and Gynecology Department, Hospital / Q000458:organization & administration*; D011247:Pregnancy; D012017:Referral and Consultation; D012040:Regional Health Planning; D014481:United States